Full list of all 20 Fragger achievements worth 200 gamerscore. It takes around 5-6 hours to unlock all of the achievements on Windows Phone.
You killed 2 enemies with one grenade.
You finished a level with 3 stars.
You killed your first enemy.
You have completed the game tutorial.
Kill 3 enemies with one grenade.
Kill an enraged enemy.
Kill 2 enraged enemies with one grenade.
Kill 3 enraged enemies with one grenade.
Kill 50 enraged enemies.
Kill 100 enemies.
Kill 250 enemies.
Kill 1000 enemies.
Finish a world with 3 stars in every level.
Finish all levels in 3 worlds with 3 medals.
Hit 100 enemies with a grenade.
Finish 60 levels with 3 stars.
Explode 10 bonus boxes.
Try the same level 25 times in a row.
Do more than 60,000 points in one level.
Do more than 100,000 points in one level.